{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9845013","patent":{"patent_number":"US-9845013","title":"Controller of AC electric vehicle","assignee":null,"inventors":[],"filing_date":"2012-06-29T00:00:00.000Z","publication_date":"2017-12-19T00:00:00.000Z","cpc_codes":["H02M","H02M"],"num_claims":10,"abstract":"A controller of an AC electric vehicle includes a first specific-frequency-current computation unit that extracts a current component corresponding to a first specific frequency set value from a main-transformer output current and outputs the current component as a first specific-frequency current, a subtractor that subtracts the first specific-frequency current from the main-transformer output current and outputs a subtraction result as a current deviation, a second specific-frequency-current computation unit that extracts a current component corresponding to a second specific frequency set value from the current deviation and outputs the current component as a second specific-frequency current, and a power-failure detection unit that compares the second specific-frequency current with a predetermined power-failure detection-current set value and outputs a power-failure detection signal when the second specific-frequency current is larger than the power-failure detection-current set value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Controller of AC electric vehicle","description":"A controller of an AC electric vehicle includes a first specific-frequency-current computation unit that extracts a current component corresponding to a first specific frequency set value from a main-","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9845013","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9845013","citation_suggestion":"Patentable. \"Controller of AC electric vehicle\" (US-9845013). https://patentable.app/patents/US-9845013","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9845013","json":"https://patentable.app/api/llm-context/US-9845013","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:18:29.097Z"}